The Expanse: Osiris Reborn Wiki

Full profile of Michael, the principled former UN military gunner aboard the Gemini in The Expanse: Osiris Reborn. Covers his Demolition exploit, heavy weapons combat style, shield and autocannon loadout, and backstory as a disillusioned Earther soldier.

Characters4/29/2026ghostpetal

Guide to character creation in The Expanse: Osiris Reborn, covering the three origin choices (Earther, Martian, Belter), the classless progression system, skill checks, and example builds.

Gameplay4/29/2026 14 min readduskvalley

Full profile of Regina, the guarded liaison officer, sniper, and infiltrator aboard the Gemini in The Expanse: Osiris Reborn. Covers her Precision exploit, mysterious background, and factional connections.

Characters4/29/2026duskvalley

Everything you need to know about The Expanse: Osiris Reborn's closed beta, including how to access it, character creation options, beta mission content, available weapons and gadgets, the Exploit system, combat mechanics, choices and consequences, feedback tools, system requirements, supported platforms, and the timeline leading to launch.

Development4/29/2026 20 min readDarkwhispers

Complete breakdown of all four pre-order editions for The Expanse: Osiris Reborn, including Standard, Deluxe, Miller's Pack, and Collector's Edition with specific item names and pricing.

General4/27/2026 10 min readSableQuill

Full profile of J, the player character's identical twin sibling who is Executive Officer aboard the Gemini in The Expanse: Osiris Reborn. Covers personality, Precision exploit, combat role, and recruitment.

Characters4/27/2026 12 min readDarkwhispers

Guide to the Gemini, the player's stolen Protogen ship in The Expanse: Osiris Reborn. Covers ship acquisition, layout, crew hub function, travel, customization, and story significance.

Full profile of Teo, the loud and ethically ambiguous combat medic aboard the Gemini in The Expanse: Osiris Reborn. Covers his Malfunction exploit, heavy armor combat style, and disgraced medical background.

Full profile of Polly, the optimistic Belter shipgirl and support specialist aboard the Gemini in The Expanse: Osiris Reborn. Covers her Demolition exploit, submachine gun combat style, and Belt political themes.

Characters4/27/2026 5 min readrunecaster44

Full story overview and setting guide for The Expanse: Osiris Reborn, covering the timeline, main narrative, protomolecule conspiracy, environmental storytelling, and player choice.

Full profile of Aleesha, the snarky hacker and electronic warfare specialist aboard the Gemini in The Expanse: Osiris Reborn. Covers her unique Cyber-attack exploit, drone deployment, and anti-corporate philosophy.

Characters4/27/2026 5 min readj0shlore

Pinkwater Security is the player's employer in The Expanse: Osiris Reborn, a private military contractor operating across the Sol system with its own spin station home base.

Profile of Owlcat Games, the developer of The Expanse: Osiris Reborn. Covers studio founders, previous titles, key personnel, team growth, engine transition, and current projects.

Development4/27/2026 13 min readMikoTanaka

Full profile of Zafar, the measured and methodical mechanic aboard the Gemini in The Expanse: Osiris Reborn. Covers his Malfunction exploit, turret deployment, EMF devices, and recruitment during the Pinkwater Station beta mission.

Complete guide to weapons, gadgets, armor, and equipment in The Expanse: Osiris Reborn, including the classless build system, combat tools, and crafting.

Gameplay4/27/2026 17 min readDarkwhispers

The protomolecule is an alien nanotechnology at the center of The Expanse: Osiris Reborn's story, driving the Eros incident and the conspiracy the player uncovers.

Complete guide to the major factions in The Expanse: Osiris Reborn, including the United Nations, MCRN, OPA, Pinkwater Security, Protogen, and Alcon Interactive Group as IP holder.

Lore4/27/2026 14 min readwillowmist

Protogen is the primary antagonist corporation in The Expanse: Osiris Reborn, a private Earth-based company behind the protomolecule conspiracy and the Eros experiment.

Lore4/27/2026 12 min readduskvalley

Guide to all major locations in The Expanse: Osiris Reborn, including Eros Station, Ceres Station, Ganymede, Mars, Luna (Lovell City), Io, Pinkwater Station, and the asteroid belt.

World4/27/2026 19 min readghostpetal

Eros Station is the asteroid station where the story of The Expanse: Osiris Reborn begins, the site of the protomolecule outbreak that triggers the game's central conspiracy.

World4/27/2026 15 min readrunecaster44

Complete overview of The Expanse: Osiris Reborn, a third-person action RPG set in The Expanse universe developed by Owlcat Games for PC, PS5, and Xbox Series X|S.

General4/27/2026 12 min readDarkwhispers

Complete guide to the Exploit system in The Expanse: Osiris Reborn, a unique combat mechanic where players command companions to execute devastating environmental attacks that can wipe out entire enemy groups.

How player decisions shape the story, companions, factions, and world in The Expanse: Osiris Reborn, including companion permadeath and the etude system.

Gameplay4/24/2026j0shlore

Detailed breakdown of The Expanse: Osiris Reborn's cover-based shooting, skill and tech systems, companion commands, destructible environments, weapons, crafting, and difficulty settings.

In-depth guide to zero-gravity movement, combat, physics, sound design, and NASA consultation in The Expanse: Osiris Reborn.

Gameplay4/27/2026 13 min readrunecaster44

Ceres Station is a major social hub in The Expanse: Osiris Reborn, the largest colony in the Belt, where players shop, meet NPCs, and navigate Belter culture and OPA politics.

World4/27/2026 13 min readghostpetal

PC system requirements for The Expanse: Osiris Reborn's closed beta, including minimum and recommended specifications, console availability, and technical details about Unreal Engine 5.

General4/27/2026 7 min readduskvalley

Project Caliban is a secret program to create protomolecule-human hybrid supersoldiers, and one of the most dangerous threats players encounter in The Expanse: Osiris Reborn.

Lore4/4/2026willowmist

A beginner-friendly guide to The Expanse: Osiris Reborn covering origin selection, combat fundamentals, the Exploit system, character builds, companion management, difficulty settings, and exploration tips. Based entirely on confirmed gameplay mechanics from developer interviews and official previews.

Gameplay4/27/2026 23 min readDarkwhispers

Detailed breakdown of the sound design philosophy in The Expanse: Osiris Reborn, covering Audio Director Sergey Eybog's approach to sound in vacuum, the main theme by Pawel Perepelica, and the original soundtrack.

Gameplay4/27/2026 12 min readDarkKnight_X

Luna (Earth's Moon) is a visitable social hub in The Expanse: Osiris Reborn, home to Lovell City, the United Nations capital, Bush Naval Shipyards, and the solar system's most important diplomatic center.

World4/27/2026 14 min readDarkwhispers

Mars is the fourth planet from the Sun and the homeworld of the Martian Congressional Republic (MCR). In The Expanse: Osiris Reborn, Mars is a visitable location featuring imperious political bastions, military installations, and terraforming infrastructure.

World4/27/2026 17 min readDarkwhispers

The complete development history of The Expanse: Osiris Reborn, from early prototyping in 2021 through the closed beta in 2026, including team growth, UE5 transition, NASA consultation, music, awards, TV series connections, and the generative AI controversy.

Development4/27/2026 13 min readj0shlore

Io is one of Jupiter's Galilean moons and the most volcanically active body in the solar system. In The Expanse, it hosts Prospero Station, a secret research facility where Project Caliban created protomolecule-human hybrid soldiers. Io is a late-game location in The Expanse: Osiris Reborn.

World4/27/2026 8 min readDarkwhispers

An overview of The Expanse franchise, the science fiction universe of novels, television, and video games that is the source material for The Expanse: Osiris Reborn.

Lore4/27/2026 19 min readDarkwhispers

Ganymede is Jupiter's largest moon, known as the breadbasket of the outer planets in The Expanse universe. Its domed agricultural greenhouses and orbital mirror network feed millions across the Belt. Ganymede is a visitable location in The Expanse: Osiris Reborn, featuring lush gardens, underground facilities, and connections to the protomolecule conspiracy.

World4/27/2026 17 min readDarkwhispers